package com.guet.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;

/**
 * @author MicahYin
 * @date 2020/8/4 15:32
 */
@Controller
public class LoginController {
    //在前端界面上，需要使用   name="password"   字段，然后在加入后端绑定，这样子后台才可以获取到参数
    @RequestMapping("/login")
    public String login(@RequestParam("username") String username,
                        @RequestParam("password") String password,
                        Model model, HttpSession session){
        if (!StringUtils.isEmpty(username)&&"123456".equals(password)){
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        }else
        {
            model.addAttribute("msg","用户名或密码错误");
            return "index";
        }
    }
    @RequestMapping("/logout")
    public String logout(HttpSession session){
        session.invalidate();
        return "redirect:/index.html";
    }
}
